The higher the temperature required to decompose something, the more thermally stable it will be. Alkali metals constitute the 1 group in periodic table. All the bicarbonates (except which exits in solution) exist … Alkali metal carbonates and bicarbonates are highly stable towards heat and their

As we move down group 1 and group 2, the thermal stability of nitrate increases. The Nuffield Data Book quotes anyhydrous beryllium sulfate, BeSO 4, as insoluble, whereas the hydrated form, BeSO 4.4H 2 O is soluble, with a solubility of about 39 g of BeSO 4 per 100 g of water at room temperature. Thermal stability of alkali metal hydrides and carbonates. So, solubility should decrease from Li to Cs. (a) Nitrates (b) Carbonates (c) Sulphates. The sulphates of alkaline earth metal are prepared by the action of sulphuric acid on metals, metal oxides ,hydroxides and carbonates. Hydrides liberate hydrogen at anode on electrolysis. Compare the solubility and thermal stability of the following compounds of the alkali metals with those of the alkaline earth metals. 1) The sulphate of alkaline earth metal are all white solids. Solubility. Insoluble. MO + H 2 SO 4 ———–> MSO 4 + H 2 O. From Li to Cs, thermal stability of carbonates increases. Therefore they are used as ... bicarbonates, sulphates, nitrates, etc. Fairly soluble. The stability of carbonates and bicarbonates increases down the group. Thermal stability: - Carbonates: - The carbonates of alkali metals except lithium carbonate are stable towards heat. Soluble. The carbonates of alkaline earth metals and Lithium carbonate decompose on heating to form oxides with the evolution of CO2. Sparingly soluble. Thermal Stability is the decomposition of a compound on heating. M + H 2 SO 4 ——> MSO 4 + H 2. Answer : Nitrates , carbonates and sulphates of Alkali metals are soluble in water . Ask Question Asked 3 years, 3 months ago. Active 12 months ago. 11 $\begingroup$ Why is it that thermal stability of alkali metal hydrides decreases down the group, but for carbonates, it increases? From Li to Cs, due to larger ion size, hydration enthalpy decreases. Thermal stability of alkali metal hydrides and carbonates (1 answer) Closed 1 year ago. However, sulphates of alkaline earth metals show varied trends. Properties. Contents Foreword Preface Thesulfates A.Introduction B.Phasetransitions C.Density D.Decompositionequilibria E.Kineticsofthermaldecomposition Units,symbols,andabbreviations SO 3,SO 2,andO 2 Aluminum Americium Antimony Barium Beryllium Bismuth Cadmium Calcium Cerium Cesium Chromium Cobalt Like alkali metals, these are s-block elements, and have two electrons in the valence shell in s-orbital. thermal stability decreases and heat of formation decreases down the group. Sulphates. Li 2 CO 3 → Li 2 O +CO 2 MgCO 3 → MgO + CO 2 Na 2 CO 3 → No action

, on decomposition, gives oxide.

Similar to lithium nitrate, alkaline earth metal nitrates also decompose to give oxides. Sulphates of both group 1 and group 2 metals are stable towards heat. Insoluble. Thermal stability. The thermal stability of carbonates increases with the increasing basic strength of metal hydroxides on moving down the group.Thus the order is The bicarbonates of all the alkali metals are known. But, experimentally, order is reverse. Solution : (i) Nitrates Thermal stabilityNitrates of alkali metals, except , decompose on strong heating to form nitrites. In group1,it is found that the thermal stability of hydroxides,carbonates,nitrates sulphates etc. Sulphates of alkali metals are soluble in water. Viewed 12k times 12. , sulphates, Nitrates, carbonates, Nitrates sulphates etc of sulphuric acid on metals, metal oxides hydroxides... 3 years, 3 months ago ( a ) Nitrates ( b ) carbonates ( )... In group1, it is found that the thermal stability of nitrate increases 2, the thermally... 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